calories to kilojoules

Free online calories to kilojoules converter, type a value and get the result instantly. No signup, works offline in your browser.

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All calculations run locally in your browser, nothing is uploaded.

Conversion formula

1 cal = 0.004184 kJ

How to convert calories to kilojoules step by step

  1. Write down the value you want to convert in calories.
  2. Multiply it by the conversion factor: 0.004184 (because 1 cal = 0.004184 kJ).
  3. The result is your value in kilojoules. Example: 10 cal × 0.004184 = 0.04184 kJ.

Tip: to go the other way, divide by the factor, or use the kilojoules to calories converter.

calories to kilojoules conversion table

calories (cal)kilojoules (kJ)
0.1 cal0.000418 kJ
0.25 cal0.001046 kJ
0.5 cal0.002092 kJ
1 cal0.004184 kJ
2 cal0.008368 kJ
3 cal0.012552 kJ
4 cal0.016736 kJ
5 cal0.02092 kJ
6 cal0.025104 kJ
8 cal0.033472 kJ
10 cal0.04184 kJ
15 cal0.06276 kJ
20 cal0.08368 kJ
25 cal0.1046 kJ
30 cal0.12552 kJ
40 cal0.16736 kJ
50 cal0.2092 kJ
60 cal0.25104 kJ
75 cal0.3138 kJ
100 cal0.4184 kJ
120 cal0.50208 kJ
122 cal0.510448 kJ
146 cal0.610864 kJ
150 cal0.6276 kJ
190 cal0.79496 kJ
200 cal0.8368 kJ
250 cal1.046 kJ
300 cal1.2552 kJ
400 cal1.6736 kJ
500 cal2.092 kJ
600 cal2.5104 kJ
750 cal3.138 kJ
800 cal3.3472 kJ
1000 cal4.184 kJ
1500 cal6.276 kJ
1810 cal7.57304 kJ
1930 cal8.07512 kJ
2000 cal8.368 kJ
2500 cal10.46 kJ
3000 cal12.552 kJ
4000 cal16.736 kJ
5000 cal20.92 kJ
7500 cal31.38 kJ
10000 cal41.84 kJ
10500 cal43.932 kJ

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FAQ

How do I convert calories to kilojoules?

Type a value in calories in the converter above, the equivalent in kilojoules is calculated instantly. 1 cal equals 0.004184 kJ.

What is the formula to convert calories to kilojoules?

Multiply the value in calories by 0.004184 to get the value in kilojoules.

How many kilojoules are in 1 calories?

There are 0.004184 kilojoules in 1 cal.

How do I convert kilojoules back to calories?

Divide the value in kilojoules by 0.004184, or use the swap button (⇄) in the converter above.

What does cal stand for?

cal is the standard abbreviation for calories. E.g. 1 cal = 0.004184 kJ.

What does kJ stand for?

kJ is the standard abbreviation for kilojoules.